Solution : https://service.sap.com/sap/support/notes/870127 (SAP Service marketplace login required)
Key words :
setting icm/http/error_templ_path = /usr/sap/b6m/d13/data/icmerror, parameter icm/http/admin_, /sap/public/icf_info/ block, terms sap web dispatcher, parameter icm/server_port_, /sap/public/icman/, /sap/public/ping, sap web dispatcher, uri permission table, /sap/wdisp/information
Related Notes :
538405 | Composite SAP Note: SAP Web Dispatcher |